package com.cn.string;

import org.apache.commons.lang3.StringUtils;

public class ApacheCommons {
    public static void main(String[] args) {
        //String a = "            你";
        String a = null;


        if (StringUtils.isBlank(a)){
            System.out.println("空字符串");
        }

        if(StringUtils.isNotBlank(a)){
            System.out.println("非空字符串");
        }




    }
}
